E. Barberis
University of California, Berkeley
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Featured researches published by E. Barberis.
Physics Letters B | 1998
B. Abbott; M. Abolins; B. S. Acharya; I. Adam; D. L. Adams; M. Adams; S. Ahn; H. Aihara; G. A. Alves; N. Amos; E. W. Anderson; R. Astur; M. M. Baarmand; A. Baden; V. Balamurali; J. Balderston; B. Baldin; S. Banerjee; J. Bantly; E. Barberis; J. F. Bartlett; K. Bazizi; A. Belyaev; S. B. Beri; I. Bertram; V. A. Bezzubov; P. C. Bhat; V. Bhatnagar; M. Bhattacharjee; N. Biswas
Abstract We have searched for the flavor-changing neutral current decay b → X s μ + μ − in p p collisions at s = 1.8 TeV with the DO detector at Fermilab. We determine the 90% confidence level limit for the branching fraction to be B ( b → X s μ + μ − ) −4 . We argue that this limit is more stringent than the best published limit on this decay rate.We have searched for the flavor-changing neutral current decay b ->s mu+ mu- in p pbar collisions at sqrt(s) = 1.8 TeV with the DO detector at Fermilab. We determine the 90% confidence level limit for the branching fraction to be B(b ->X_s mu+ mu-)<3.2 x 10^{-4}. We argue that this limit is more stringent than the best published limit on this decay rate.
Physical Review D | 2003
V. M. Abazov; B. Abbott; A. Abdesselam; M. Abolins; V. Abramov; B. S. Acharya; D. L. Adams; M. Adams; S. N. Ahmed; G. D. Alexeev; A. Alton; G. A. Alves; E. Amidi; N. Amos; E. W. Anderson; Y. Arnoud; C. Avila; M. M. Baarmand; V. V. Babintsev; L. Babukhadia; T. C. Bacon; A. Baden; V. Balamurali; B. Baldin; P. W. Balm; S. Banerjee; J. Bantly; E. Barberis; P. Baringer; J. Barreto
Results are presented on a measurement of the t (t) over bar pair production cross section in p (p) over bar collisions at roots=1.8 TeV from nine independent decay channels. The data were collected by the D empty set experiment during the 1992-1996 run of the Fermilab Tevatron Collider. A total of 80 candidate events is observed with an expected background of 38.8+/-3.3 events. For a top quark mass of 172.1 GeV/c(2), the measured cross section is 5.69+/-1.21(stat)+/-1.04(syst) pb.Results are presented on a measurement of the ttbar pair production cross section in ppbar collisions at sqrt{s} = 1.8 TeV from nine independent decay channels. The data were collected by the Dzero experiment during the 1992-1996 run of the Fermilab Tevatron Collider. A total of 80 candidate events are observed with an expected background of 38.8 +- 3.3 events. For a top quark mass of 172.1 GeV/c^2, the measured cross section is 5.69 +- 1.21 (stat) +- 1.04 (sys) pb.
